CVE-2026-6722
CVE-2026-6722 · Use-After-Free in SOAP using Apache map
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOAP extension's object deduplication mechanism stores pointers to PHP objects in a global map without incrementing their reference counts. When an apache:Map node contains duplicate keys, processing the second entry overwrites the first in the temporary result map, freeing the original PHP object while its stale pointer remains in the map. A subsequent href reference to the freed node can copy the dangling pointer into the result. As PHP string allocations can reclaim the freed memory region, an attacker with control over the SOAP request body can exploit this use-after-free to achieve remote code execution.
CVSS 9.5 · Crítica · EPSS 0,9% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system · php
Productos y versiones afectados
php
- Versiones
- ≥ 8.2.*, < 8.2.31: Afectada (semver)
- ≥ 8.3.*, < 8.3.31: Afectada (semver)
- ≥ 8.4.*, < 8.4.21: Afectada (semver)
- ≥ 8.5.*, < 8.5.6: Afectada (semver)
Actualiza a 8.2.31; Actualiza a 8.3.31; Actualiza a 8.4.21; Actualiza a 8.5.6
php8.2 Debian:12
- Versiones
- 8.2.10-1
- 8.2.10-2
- 8.2.12-1
- 8.2.16-1
- 8.2.16-2
- 8.2.17-1
- 8.2.18-1
- 8.2.18-1~deb12u1
- 8.2.20-1~deb12u1
- 8.2.20-2
- 8.2.20-3
- 8.2.21-1
- 8.2.23-1
- 8.2.24-1
- 8.2.24-1~deb12u1
- 8.2.26-1~deb12u1
- 8.2.26-4
- 8.2.27-1
- 8.2.28-1~deb12u1
- 8.2.29-1~deb12u1
- 8.2.30-1~deb12u1
- 8.2.5-2
- 8.2.7-1
- 8.2.7-1.1
- 8.2.7-1.2
- 8.2.7-1~deb12u1
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.2.31-1~deb12u1
Actualiza a 8.2.31-1~deb12u1
php8.4 Debian:13
- Versiones
- 8.4.11-1
- 8.4.16-1
- 8.4.16-1~deb13u1
- 8.4.20-1
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.4.21-1~deb13u1
Actualiza a 8.4.21-1~deb13u1
php8.4 Debian:14
- Versiones
- 8.4.11-1
- 8.4.16-1
- 8.4.16-1~deb13u1
- 8.4.20-1
- 8.4.21-1~deb13u1
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.4.21-1
Actualiza a 8.4.21-1
php5 Ubuntu:Pro:14.04:LTS
- Versiones
- 5.5.3+dfsg-1ubuntu2
- 5.5.3+dfsg-1ubuntu3
- 5.5.6+dfsg-1ubuntu1
- 5.5.6+dfsg-1ubuntu2
- 5.5.8+dfsg-2ubuntu1
- 5.5.9+dfsg-1ubuntu1
- 5.5.9+dfsg-1ubuntu2
- 5.5.9+dfsg-1ubuntu3
- 5.5.9+dfsg-1ubuntu4
- 5.5.9+dfsg-1ubuntu4.1
- 5.5.9+dfsg-1ubuntu4.2
- 5.5.9+dfsg-1ubuntu4.3
- 5.5.9+dfsg-1ubuntu4.4
- 5.5.9+dfsg-1ubuntu4.5
- 5.5.9+dfsg-1ubuntu4.6
- 5.5.9+dfsg-1ubuntu4.7
- 5.5.9+dfsg-1ubuntu4.9
- 5.5.9+dfsg-1ubuntu4.11
- 5.5.9+dfsg-1ubuntu4.12
- 5.5.9+dfsg-1ubuntu4.13
- 5.5.9+dfsg-1ubuntu4.14
- 5.5.9+dfsg-1ubuntu4.16
- 5.5.9+dfsg-1ubuntu4.17
- 5.5.9+dfsg-1ubuntu4.19
- 5.5.9+dfsg-1ubuntu4.20
- 5.5.9+dfsg-1ubuntu4.21
- 5.5.9+dfsg-1ubuntu4.22
- 5.5.9+dfsg-1ubuntu4.23
- 5.5.9+dfsg-1ubuntu4.24
- 5.5.9+dfsg-1ubuntu4.25
- 5.5.9+dfsg-1ubuntu4.26
- 5.5.9+dfsg-1ubuntu4.27
- 5.5.9+dfsg-1ubuntu4.29
- 5.5.9+dfsg-1ubuntu4.29+esm1
- 5.5.9+dfsg-1ubuntu4.29+esm2
- 5.5.9+dfsg-1ubuntu4.29+esm3
- 5.5.9+dfsg-1ubuntu4.29+esm4
- 5.5.9+dfsg-1ubuntu4.29+esm5
- 5.5.9+dfsg-1ubuntu4.29+esm6
- 5.5.9+dfsg-1ubuntu4.29+esm8
- 5.5.9+dfsg-1ubuntu4.29+esm10
- 5.5.9+dfsg-1ubuntu4.29+esm11
- 5.5.9+dfsg-1ubuntu4.29+esm12
- 5.5.9+dfsg-1ubuntu4.29+esm13
- 5.5.9+dfsg-1ubuntu4.29+esm14
- 5.5.9+dfsg-1ubuntu4.29+esm15
- 5.5.9+dfsg-1ubuntu4.29+esm16
- 5.5.9+dfsg-1ubuntu4.29+esm17
- 5.5.9+dfsg-1ubuntu4.29+esm18
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
php7.0 Ubuntu:Pro:16.04:LTS
- Versiones
- 7.0.1-5
- 7.0.1-6
- 7.0.2-1
- 7.0.2-3
- 7.0.2-4
- 7.0.2-5
- 7.0.3-2
- 7.0.3-3
- 7.0.3-9ubuntu1
- 7.0.4-5ubuntu1
- 7.0.4-5ubuntu2
- 7.0.4-7ubuntu1
- 7.0.4-7ubuntu2
- 7.0.4-7ubuntu2.1
- 7.0.8-0ubuntu0.16.04.1
- 7.0.8-0ubuntu0.16.04.2
- 7.0.8-0ubuntu0.16.04.3
- 7.0.13-0ubuntu0.16.04.1
- 7.0.15-0ubuntu0.16.04.1
- 7.0.15-0ubuntu0.16.04.2
- 7.0.15-0ubuntu0.16.04.4
- 7.0.18-0ubuntu0.16.04.1
- 7.0.22-0ubuntu0.16.04.1
- 7.0.25-0ubuntu0.16.04.1
- 7.0.28-0ubuntu0.16.04.1
- 7.0.30-0ubuntu0.16.04.1
- 7.0.32-0ubuntu0.16.04.1
- 7.0.33-0ubuntu0.16.04.1
- 7.0.33-0ubuntu0.16.04.2
- 7.0.33-0ubuntu0.16.04.3
- 7.0.33-0ubuntu0.16.04.4
- 7.0.33-0ubuntu0.16.04.5
- 7.0.33-0ubuntu0.16.04.6
- 7.0.33-0ubuntu0.16.04.7
- 7.0.33-0ubuntu0.16.04.9
- 7.0.33-0ubuntu0.16.04.11
- 7.0.33-0ubuntu0.16.04.12
- 7.0.33-0ubuntu0.16.04.14
- 7.0.33-0ubuntu0.16.04.15
- 7.0.33-0ubuntu0.16.04.16
- 7.0.33-0ubuntu0.16.04.16+esm1
- 7.0.33-0ubuntu0.16.04.16+esm2
- 7.0.33-0ubuntu0.16.04.16+esm3
- 7.0.33-0ubuntu0.16.04.16+esm4
- 7.0.33-0ubuntu0.16.04.16+esm5
- 7.0.33-0ubuntu0.16.04.16+esm6
- 7.0.33-0ubuntu0.16.04.16+esm7
- 7.0.33-0ubuntu0.16.04.16+esm8
- 7.0.33-0ubuntu0.16.04.16+esm9
- 7.0.33-0ubuntu0.16.04.16+esm10
- 7.0.33-0ubuntu0.16.04.16+esm11
- 7.0.33-0ubuntu0.16.04.16+esm12
- 7.0.33-0ubuntu0.16.04.16+esm13
- 7.0.33-0ubuntu0.16.04.16+esm14
- 7.0.33-0ubuntu0.16.04.16+esm15
- 7.0.33-0ubuntu0.16.04.16+esm16
- 7.0.33-0ubuntu0.16.04.16+esm17
- 7.0.33-0ubuntu0.16.04.16+esm18
- Intervalos de versiones afectados
- ECOSYSTEM: < 7.0.33-0ubuntu0.16.04.16+esm19
Actualiza a 7.0.33-0ubuntu0.16.04.16+esm19
php7.2 Ubuntu:Pro:18.04:LTS
- Versiones
- 7.2.1-1ubuntu2
- 7.2.2-1ubuntu1
- 7.2.2-1ubuntu2
- 7.2.3-1ubuntu1
- 7.2.5-0ubuntu0.18.04.1
- 7.2.7-0ubuntu0.18.04.1
- 7.2.7-0ubuntu0.18.04.2
- 7.2.10-0ubuntu0.18.04.1
- 7.2.15-0ubuntu0.18.04.1
- 7.2.15-0ubuntu0.18.04.2
- 7.2.17-0ubuntu0.18.04.1
- 7.2.19-0ubuntu0.18.04.1
- 7.2.19-0ubuntu0.18.04.2
- 7.2.24-0ubuntu0.18.04.1
- 7.2.24-0ubuntu0.18.04.2
- 7.2.24-0ubuntu0.18.04.3
- 7.2.24-0ubuntu0.18.04.4
- 7.2.24-0ubuntu0.18.04.6
- 7.2.24-0ubuntu0.18.04.7
- 7.2.24-0ubuntu0.18.04.8
- 7.2.24-0ubuntu0.18.04.9
- 7.2.24-0ubuntu0.18.04.10
- 7.2.24-0ubuntu0.18.04.11
- 7.2.24-0ubuntu0.18.04.12
- 7.2.24-0ubuntu0.18.04.13
- 7.2.24-0ubuntu0.18.04.15
- 7.2.24-0ubuntu0.18.04.16
- 7.2.24-0ubuntu0.18.04.17
- 7.2.24-0ubuntu0.18.04.17+esm1
- 7.2.24-0ubuntu0.18.04.17+esm2
- 7.2.24-0ubuntu0.18.04.17+esm3
- 7.2.24-0ubuntu0.18.04.17+esm4
- 7.2.24-0ubuntu0.18.04.17+esm5
- 7.2.24-0ubuntu0.18.04.17+esm6
- 7.2.24-0ubuntu0.18.04.17+esm7
- 7.2.24-0ubuntu0.18.04.17+esm8
- 7.2.24-0ubuntu0.18.04.17+esm9
- 7.2.24-0ubuntu0.18.04.17+esm10
- 7.2.24-0ubuntu0.18.04.17+esm11
- 7.2.24-0ubuntu0.18.04.17+esm12
- 7.2.24-0ubuntu0.18.04.17+esm13
- 7.2.24-0ubuntu0.18.04.17+esm14
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
php7.4 Ubuntu:Pro:20.04:LTS
- Versiones
- 7.4.3-4build1
- 7.4.3-4build2
- 7.4.3-4ubuntu1
- 7.4.3-4ubuntu1.1
- 7.4.3-4ubuntu2.2
- 7.4.3-4ubuntu2.4
- 7.4.3-4ubuntu2.5
- 7.4.3-4ubuntu2.6
- 7.4.3-4ubuntu2.7
- 7.4.3-4ubuntu2.8
- 7.4.3-4ubuntu2.9
- 7.4.3-4ubuntu2.10
- 7.4.3-4ubuntu2.11
- 7.4.3-4ubuntu2.12
- 7.4.3-4ubuntu2.13
- 7.4.3-4ubuntu2.15
- 7.4.3-4ubuntu2.16
- 7.4.3-4ubuntu2.17
- 7.4.3-4ubuntu2.18
- 7.4.3-4ubuntu2.19
- 7.4.3-4ubuntu2.20
- 7.4.3-4ubuntu2.22
- 7.4.3-4ubuntu2.23
- 7.4.3-4ubuntu2.24
- 7.4.3-4ubuntu2.26
- 7.4.3-4ubuntu2.28
- 7.4.3-4ubuntu2.29
- 7.4.3-4ubuntu2.29+esm1
- 7.4.3-4ubuntu2.29+esm2
- 7.4.3-4ubuntu2.29+esm3
- 7.4.3-4ubuntu2.29+esm4
- 7.4.3-4ubuntu2.29+esm5
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
php8.1 Ubuntu:22.04:LTS
- Versiones
- 8.1.0~rc4-1ubuntu2
- 8.1.0-1
- 8.1.2-1ubuntu1
- 8.1.2-1ubuntu2
- 8.1.2-1ubuntu2.1
- 8.1.2-1ubuntu2.2
- 8.1.2-1ubuntu2.3
- 8.1.2-1ubuntu2.4
- 8.1.2-1ubuntu2.5
- 8.1.2-1ubuntu2.6
- 8.1.2-1ubuntu2.8
- 8.1.2-1ubuntu2.9
- 8.1.2-1ubuntu2.10
- 8.1.2-1ubuntu2.11
- 8.1.2-1ubuntu2.13
- 8.1.2-1ubuntu2.14
- 8.1.2-1ubuntu2.15
- 8.1.2-1ubuntu2.17
- 8.1.2-1ubuntu2.18
- 8.1.2-1ubuntu2.19
- 8.1.2-1ubuntu2.20
- 8.1.2-1ubuntu2.21
- 8.1.2-1ubuntu2.22
- 8.1.2-1ubuntu2.23
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.1.2-1ubuntu2.24
Actualiza a 8.1.2-1ubuntu2.24
php8.3 Ubuntu:24.04:LTS
- Versiones
- 8.3.0-1
- 8.3.0-1ubuntu1
- 8.3.4-1
- 8.3.4-1build1
- 8.3.6-0maysync1
- 8.3.6-0ubuntu0.24.04.1
- 8.3.6-0ubuntu0.24.04.2
- 8.3.6-0ubuntu0.24.04.3
- 8.3.6-0ubuntu0.24.04.4
- 8.3.6-0ubuntu0.24.04.5
- 8.3.6-0ubuntu0.24.04.6
- 8.3.6-0ubuntu0.24.04.7
- 8.3.6-0ubuntu0.24.04.8
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.3.6-0ubuntu0.24.04.9
Actualiza a 8.3.6-0ubuntu0.24.04.9
php8.4 Ubuntu:25.10
- Versiones
- 8.4.5-1ubuntu1
- 8.4.8-1ubuntu1
- 8.4.11-1ubuntu1
- 8.4.11-1ubuntu1.1
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.4.11-1ubuntu1.2
Actualiza a 8.4.11-1ubuntu1.2
php8.5 Ubuntu:26.04:LTS
- Versiones
- 8.5.2-0ubuntu1
- 8.5.4-0ubuntu1
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.5.4-0ubuntu1.1
Actualiza a 8.5.4-0ubuntu1.1
Fuentes originales
- https://github.com/php/php-src/security/advisories/GHSA-85c2-q967-79q5
- https://access.redhat.com/security/cve/CVE-2026-6722
- https://bugzilla.redhat.com/show_bug.cgi?id=2468560
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6722.json
- https://access.redhat.com/errata/RHSA-2026:23388
- https://access.redhat.com/errata/RHSA-2026:22649
- https://access.redhat.com/errata/RHSA-2026:34354
- https://access.redhat.com/errata/RHSA-2026:22305
- https://access.redhat.com/errata/RHSA-2026:22142
- https://access.redhat.com/errata/RHSA-2026:22143
- https://access.redhat.com/errata/RHSA-2026:33449
- https://nvd.nist.gov/vuln/detail/CVE-2026-6722